Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Unaddressed | 2024-10-17 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| RPT | Monitoring | Unaddressed | 2024-10-17 |
| MR | Monitoring | Resolved | 2024-10-01 |
| MR | Monitoring | Resolved | 2024-10-01 |
| MR | Monitoring | Resolved | 2022-07-01 |
| MR | Monitoring | Resolved | 2022-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 26/26 | LCR | 2025 |
| Bromodichloromethane | 13 µg/L No EPA limit set
worst single sample: 16 µg/L | 24/24 | SYR4 | 2012–2019 |
| Chloroform | 65.8 µg/L No EPA limit set
worst single sample: 77 µg/L | 24/24 | SYR4 | 2012–2019 |
| TTHM | 79.25 µg/L 99% of the EPA limit 80 µg/L
worst single sample: 87 µg/L | 24/24 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 41.55 µg/L 69% of the EPA limit 60 µg/L
worst single sample: 46 µg/L | 24/24 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 29.7 µg/L No EPA limit set
worst single sample: 32 µg/L | 24/24 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 19 µg/L No EPA limit set
worst single sample: 20 µg/L | 21/24 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3 µg/L No EPA limit set | 19/24 | SYR4 | 2012–2019 |
| Arsenic | 2.76 µg/L 28% of the EPA limit 10 µg/L
worst single sample: 2.8 µg/L | 3/7 | SYR4 | 2012–2019 |
| Barium | 52.65 µg/L 2.6% of the EPA limit 2000 µg/L
worst single sample: 53 µg/L | 2/7 | SYR4 | 2012–2019 |
| Chromium | 1.376 µg/L 1.4% of the EPA limit 100 µg/L
worst single sample: 1.4 µg/L | 2/7 | SYR4 | 2012–2019 |
| Nitrate | 180 µg/L 1.8% of the EPA limit 10000 µg/L | 2/14 | SYR4 | 2012–2019 |
59 contaminants tested, none detected
Utility contact
Frequently asked questions about Berryessa Pines Water
Is Berryessa Pines Water tap water safe to drink?
EPA monitoring detected 12 contaminants in Berryessa Pines Water's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Berryessa Pines Water's water?
EPA monitoring detected Lead, Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Berryessa Pines Water serve?
Berryessa Pines Water reports serving 261 people in California, per its EPA record.
Has Berryessa Pines Water had any water quality violations?
The EPA has 29 violations on file for Berryessa Pines Water, of which 5 are health-based (a contaminant limit or required treatment was breached) and 2 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.